Lines Matching defs:sentinel
70 /// Returns `Ok(value)` if it does not contain the sentinel value. This
71 /// should not be used when `-1` is not the errno sentinel value.
74 if value == S::sentinel() {
82 /// The sentinel value indicates that a function failed and more detailed
85 fn sentinel() -> Self;
89 fn sentinel() -> Self {
95 fn sentinel() -> Self {
101 fn sentinel() -> Self {
107 fn sentinel() -> Self {
113 fn sentinel() -> Self {